diff --git a/action.yml b/action.yml
index d61198d8..5e4f9135 100644
--- a/action.yml
+++ b/action.yml
@@ -55,6 +55,10 @@ inputs:
     description: |
       Skips creating a Pull Request and pushes directly to the default branch. Defaults to false
     required: false
+  BRANCH_PREFIX:
+    description: |
+      Specify a different prefix for the new branch in the target repo. Defaults to repo-sync/SOURCE_REPO_NAME
+    required: false
 
 runs:
   using: 'node12'
diff --git a/src/config.js b/src/config.js
index 083284eb..9dfb5b37 100644
--- a/src/config.js
+++ b/src/config.js
@@ -95,6 +95,10 @@ const context = {
 		key: 'SKIP_PR',
 		type: 'boolean',
 		default: false
+	}),
+	BRANCH_PREFIX: getVar({
+		key: 'BRANCH_PREFIX',
+		default: 'repo-sync/SOURCE_REPO_NAME'
 	})
 }
 
diff --git a/src/git.js b/src/git.js
index c421b748..97d7c1cd 100644
--- a/src/git.js
+++ b/src/git.js
@@ -9,7 +9,8 @@ const {
 	TMP_DIR,
 	COMMIT_PREFIX,
 	GITHUB_REPOSITORY,
-	OVERWRITE_EXISTING_PR
+	OVERWRITE_EXISTING_PR,
+	BRANCH_PREFIX
 } = require('./config')
 
 const { dedent, execCmd } = require('./helpers')
@@ -58,7 +59,9 @@ const init = (repo) => {
 	}
 
 	const createPrBranch = async () => {
-		let newBranch = `repo-sync/${ GITHUB_REPOSITORY.split('/')[1] }/${ repo.branch }`
+		const prefix = BRANCH_PREFIX.replace('SOURCE_REPO_NAME', GITHUB_REPOSITORY.split('/')[1])
+
+		let newBranch = path.join(prefix, repo.branch)
 
 		if (OVERWRITE_EXISTING_PR === false) {
 			newBranch += `-${ Math.round((new Date()).getTime() / 1000) }`